{"id":683,"date":"2024-09-01T17:31:16","date_gmt":"2024-09-01T15:31:16","guid":{"rendered":"https:\/\/fc-allsky.fr\/?page_id=683"},"modified":"2024-09-08T18:33:09","modified_gmt":"2024-09-08T16:33:09","slug":"mes-debuts-dastronome-en-visuel","status":"publish","type":"page","link":"https:\/\/fc-allsky.fr\/index.php\/mes-debuts-dastronome-en-visuel\/","title":{"rendered":"Mes d\u00e9buts d&rsquo;astronome en \u00ab\u00a0visuel\u00a0\u00bb"},"content":{"rendered":"\n<p>M\u00eame si l&rsquo;astronomie m&rsquo;a toujours attir\u00e9, je n&rsquo;ai franchi le pas qu&rsquo;au d\u00e9but 2017<\/p>\n\n\n\n<p>Tout \u00e0 commenc\u00e9 par la recherche d&rsquo;un mat\u00e9riel adapt\u00e9 au plan\u00e9taire et Ciel Profond (CP).<\/p>\n\n\n\n<p>Apr\u00e8s avoir pu tester un 200\/1000 sur monture \u00e9quatoriale NEQ5 avec GoTo, j&rsquo;ai vu que \u00e7a ne correspondait pas \u00e0 ce que je recherchais. Les monture type \u00e9quatoriale en visuel ne sont pas \u00e9videntes \u00e0 manipuler et demandent parfois des positions plus ou moins acrobatiques&#8230;<\/p>\n\n\n\n<p>Le syst\u00e8me GoTo \u00e9tant bien s\u00fbr pratique, la mise en station peut rebuter un d\u00e9butant.<\/p>\n\n\n\n<p>J&rsquo;ai donc opt\u00e9 pour un syst\u00e8me Alt Azimutal type Dobson avec un 250\/1250 GSO Deluxe qui est beaucoup plus simple \u00e0 mettre en \u0153uvre mais qui n&rsquo;a bien s\u00fbr pas de suivi des objets.<\/p>\n\n\n\n<p>J&rsquo;ai aussi adh\u00e9r\u00e9 \u00e0 un club (<a href=\"https:\/\/www.centreastronomiquevendeen.fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">Centre Astronomique Vend\u00e9en<\/a> et <a href=\"https:\/\/www.facebook.com\/CentreAstronomiqueVendeen.CAV\/?locale=fr_FR\" target=\"_blank\" rel=\"noreferrer noopener\">sa page FB<\/a>) afin d&rsquo;acqu\u00e9rir des notions essentielles telle que la connaissance des constellations et divers ateliers pratiques comme la collimation d&rsquo;un newton. Les nuits des \u00e9toiles et les \u00e9v\u00e9nements type \u00ab\u00a0On The Moon Again\u00a0\u00bb ont \u00e9t\u00e9 aussi un bon moyen de se tester face aux questions du public.<\/p>\n\n\n\n<p>Les forums et notamment celui de <a href=\"https:\/\/www.webastro.net\/discover\/\" target=\"_blank\" rel=\"noreferrer noopener\">Webastro <\/a> m&rsquo;ont bien aid\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69f56a659b9a7&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69f56a659b9a7\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"685\" src=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040144-1-768x1024.jpg\" alt=\"\" class=\"wp-image-685\" srcset=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040144-1-768x1024.jpg 768w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040144-1-225x300.jpg 225w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040144-1-1152x1536.jpg 1152w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040144-1-1536x2048.jpg 1536w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040144-1-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">GSO 880D<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69f56a659c137&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69f56a659c137\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"686\" src=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040143-1024x768.jpg\" alt=\"\" class=\"wp-image-686\" srcset=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040143-1024x768.jpg 1024w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040143-300x225.jpg 300w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040143-768x576.jpg 768w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040143-1536x1152.jpg 1536w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040143-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">GSO 880D am\u00e9lior\u00e9<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69f56a659c7b9&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69f56a659c7b9\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"696\" src=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040187-768x1024.jpg\" alt=\"\" class=\"wp-image-696\" srcset=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040187-768x1024.jpg 768w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040187-225x300.jpg 225w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040187-1152x1536.jpg 1152w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040187-1536x2048.jpg 1536w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/P1040187-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Chaise d&rsquo;observation DIY<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>J&rsquo;ai vraiment appr\u00e9ci\u00e9 ce t\u00e9lescope : les miroirs sont de tr\u00e8s bonne qualit\u00e9.<br>Les oculaires ont bien sur \u00e9volu\u00e9 durant les 4 ans d&rsquo;utilisation de ce dobson : surtout des TS 82\u00b0 abordables, oculaire zoom Baader Mark IV et diff\u00e9rents filtres dont les plus utiles restent les UHC et OIII pour permettre de commencer \u00e0 voir certaines n\u00e9buleuses (Les dentelles du Cygne en particulier).<\/p>\n\n\n\n<p>On peut m\u00eame faire quelques photos ou vid\u00e9os avec un smartphone.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"737\" src=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0331-576x1024.jpg\" alt=\"\" class=\"wp-image-737\" srcset=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0331-576x1024.jpg 576w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0331-169x300.jpg 169w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0331-768x1365.jpg 768w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0331-864x1536.jpg 864w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0331-1152x2048.jpg 1152w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0331-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"738\" src=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0326-576x1024.jpg\" alt=\"\" class=\"wp-image-738\" srcset=\"https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0326-576x1024.jpg 576w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0326-169x300.jpg 169w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0326-768x1365.jpg 768w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0326-864x1536.jpg 864w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0326-1152x2048.jpg 1152w, https:\/\/fc-allsky.fr\/wp-content\/uploads\/2024\/09\/DSC_0326-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Mais la \u00ab\u00a0diam\u00e9trite\u00a0\u00bb aigue avait frapp\u00e9 &#8230;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00eame si l&rsquo;astronomie m&rsquo;a toujours attir\u00e9, je n&rsquo;ai franchi le pas qu&rsquo;au d\u00e9but 2017 Tout \u00e0 commenc\u00e9 par la recherche d&rsquo;un mat\u00e9riel adapt\u00e9 au plan\u00e9taire et Ciel Profond (CP). Apr\u00e8s avoir pu tester un 200\/1000 sur monture \u00e9quatoriale NEQ5 avec GoTo, j&rsquo;ai vu que \u00e7a ne correspondait pas \u00e0 ce que je recherchais. Les monture [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-683","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/pages\/683","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/comments?post=683"}],"version-history":[{"count":15,"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/pages\/683\/revisions"}],"predecessor-version":[{"id":763,"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/pages\/683\/revisions\/763"}],"wp:attachment":[{"href":"https:\/\/fc-allsky.fr\/index.php\/wp-json\/wp\/v2\/media?parent=683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}